A Cisco EX60 is connected to the network, but users cannot make calls and the device is unregistered. The voice engineer configured the device on Cisco Unified Communications Manager. Which two options are causes of this problem? (Choose two.)
A. SIP URI is not configured correctly.
B. H.323 parameters are not configured correctly.
C. IP address is in a different subnet.
D. No user is associated to a device.
E. SIP proxy is not configured correctly.
A, E is a correct answer
A and E